This is the Team Losi Racing 12mm CNC Machined Shock Piston Set. These shock pistons are CNC machined for a precision fit inside the shock body. These optional shock pistons fit the 22 2.0, and can also be used as an optional upgrade for the first generation 22, 22T, 22SCT and SCTE vehicles.

Features:

CNC Machined to closely match the tolerance of the shock body bore and the shock shaft to increase consistency and performance versus molded pistons

Each piston has two 1.7mm holes

2-Hole pistons give more pack without make the car 'stiffer' around ride height and while cornering